/* ==========================================================================
   DRONZER.ME — DESIGN SYSTEM & STYLESHEET
   Dark futuristic aerospace & rescue aesthetic
   ========================================================================== */

:root {
  --bg-primary: #07090e;
  --bg-secondary: #0d121d;
  --bg-card: rgba(16, 23, 38, 0.75);
  --bg-card-hover: rgba(22, 32, 54, 0.85);
  --border-subtle: rgba(56, 189, 248, 0.15);
  --border-active: rgba(56, 189, 248, 0.4);
  
  --color-cyan: #38bdf8;
  --color-cyan-glow: rgba(56, 189, 248, 0.35);
  --color-emerald: #10b981;
  --color-emerald-glow: rgba(16, 185, 129, 0.35);
  --color-amber: #f59e0b;
  --color-rose: #f43f5e;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-display);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Background Visuals */
.cyber-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.22;
}

.glow-1 {
  top: -10%;
  left: -5%;
  background: radial-gradient(circle, #0284c7 0%, transparent 70%);
}

.glow-2 {
  bottom: 10%;
  right: -5%;
  background: radial-gradient(circle, #059669 0%, transparent 70%);
}

/* Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.glass-panel:hover {
  border-color: var(--border-active);
}

/* Typography & General Utilities */
.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #a78bfa 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-cyan { color: var(--color-cyan) !important; }
.text-emerald { color: var(--color-emerald) !important; }
.code-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 9, 14, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 15px var(--color-cyan-glow);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
}

.brand-name {
  font-weight: 700;
}

.brand-dot {
  color: var(--color-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-cyan);
}

.btn-nav {
  padding: 0.45rem 1.1rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--color-cyan);
  border-radius: var(--radius-full);
  color: var(--color-cyan) !important;
}

.btn-nav:hover {
  background: var(--color-cyan);
  color: var(--bg-primary) !important;
}

.nav-terminal-pill {
  padding: 0.45rem 1rem;
  background: rgba(255, 26, 64, 0.12);
  border: 1px solid rgba(255, 26, 64, 0.5);
  border-radius: var(--radius-full);
  color: #ff3355 !important;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(255, 26, 64, 0.25);
  transition: var(--transition);
}

.nav-terminal-pill:hover {
  background: #ff1a40;
  color: #fff !important;
  box-shadow: 0 0 20px rgba(255, 26, 64, 0.6);
  transform: translateY(-1px);
}

/* Status Pill in Navbar */
.nav-status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-amber);
  box-shadow: 0 0 8px var(--color-amber);
  animation: pulse-dot 2s infinite;
}

.status-online .status-dot {
  background: var(--color-emerald);
  box-shadow: 0 0 8px var(--color-emerald);
}

.status-offline .status-dot {
  background: var(--color-rose);
  box-shadow: 0 0 8px var(--color-rose);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Hero Section */
.hero-section {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 8.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  background: linear-gradient(135deg, #0284c7, #02b0d4);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--color-cyan-glow);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(56, 189, 248, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  background: rgba(30, 41, 59, 0.5);
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--border-active);
}

/* Metrics Ribbon */
.metrics-ribbon {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  max-width: 600px;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-cyan);
}

.metric-lbl {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-divider {
  width: 1px;
  height: 28px;
  background: var(--border-subtle);
}

/* Radar & HUD Card */
.radar-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, 0.25);
  box-shadow: 0 0 40px rgba(2, 132, 199, 0.15);
}

.radar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.hud-tag {
  color: var(--color-emerald);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hud-tag .blink {
  animation: blink-anim 1s infinite;
}

@keyframes blink-anim {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hud-coords {
  color: var(--text-dim);
}

.radar-canvas-wrap {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  margin: 0.5rem 0;
}

#radarCanvas {
  max-width: 100%;
  height: auto;
  border-radius: 50%;
}

.radar-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.unit-code {
  color: var(--color-cyan);
  font-weight: 700;
  margin-right: 0.5rem;
}

.unit-mode {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.bat-val {
  color: var(--color-emerald);
  font-weight: 700;
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.icon-cyan {
  background: rgba(56, 189, 248, 0.12);
  color: var(--color-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.icon-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.icon-amber {
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.feature-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  border-top: 1px dashed var(--border-subtle);
  padding-top: 0.75rem;
}

/* Telemetry Section */
.telemetry-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.drone-fleet-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.drone-card {
  padding: 1.25rem;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.drone-card.active {
  border-color: var(--color-cyan);
  background: rgba(14, 165, 233, 0.08);
}

.drone-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.drone-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.drone-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.badge-status-online {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 4px;
}

.badge-status-idle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 4px;
}

.drone-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.drone-stats-row .stat {
  display: flex;
  flex-direction: column;
}

.drone-stats-row .lbl {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.drone-stats-row .val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Console Diagnostics */
.telemetry-console {
  display: flex;
  flex-direction: column;
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border-subtle);
}

.console-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-dots {
  display: flex;
  gap: 4px;
}

.terminal-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #334155;
}

.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--color-cyan);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-sm:hover {
  background: var(--color-cyan);
  color: var(--bg-primary);
}

.console-body {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  height: 250px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.log-line {
  color: var(--text-muted);
  line-height: 1.4;
}

.console-footer {
  padding: 0.6rem 1rem;
  background: rgba(15, 23, 42, 0.5);
  border-top: 1px solid var(--border-subtle);
}

.endpoint-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.ep-label {
  color: var(--text-dim);
  white-space: nowrap;
}

.ep-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--color-cyan);
  padding: 0.25rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.btn-xs {
  padding: 0.25rem 0.6rem;
  background: var(--color-cyan);
  color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

/* Architecture Flow */
.architecture-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  padding: 2.5rem 2rem;
  gap: 1.5rem;
}

.arch-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.step-badge {
  width: 32px;
  height: 32px;
  background: var(--color-cyan);
  color: var(--bg-primary);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

.arch-step h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

.arch-step p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.arch-connector {
  font-size: 1.5rem;
  color: var(--color-cyan);
  opacity: 0.6;
}

/* Contact Form */
.contact-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan-glow);
}

.form-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.form-feedback-msg {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background: rgba(7, 9, 14, 0.9);
  padding: 2.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon-sm {
  width: 24px;
  height: 24px;
  background: var(--color-cyan);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
}

.logo-icon-sm svg {
  width: 14px;
  height: 14px;
}

.footer-brand-name {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-cyan);
}

/* Responsive Breakpoints */
@media (max-width: 960px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 7rem;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .metrics-ribbon {
    margin: 0 auto;
  }
  .telemetry-layout {
    grid-template-columns: 1fr;
  }
  .architecture-flow {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .arch-step {
    align-items: center;
  }
  .arch-connector {
    transform: rotate(90deg);
    margin: 0.5rem auto;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .metrics-ribbon {
    flex-wrap: wrap;
  }
}